biology

5. controls what enters and leaves the cell
7. community of living things plus their non-living surroundings
8. has no nucleus
10. different forms of a gene
12. carries out photosynthesis in plant cells
15. organisms that are best adapted for their environment have the highest fitness and will therfore survive, reproduce, and pass on their good genes to their offspring
16. make up cell membranes and store extra energy
19. occurs in chloroplasts
20. diagrams that show evolutionary relationships between organisms
22. segment of dna that codes for a particular protein
23. has nucleus
24. all of the same species living in a particular area

1. all of the living things (all species) living in a particular area
2. make protein
3. allele combination for a gene/trait
4. females choose males based on "sexy" or "showy" phenotypes or behaviors
6. energy sources like sugars and starches
9. acids carry genetic info
11. extra protection around plant and bacteria cells
13. contains dna in eukaryotes
14. break down glucose to release energy for the cell to use
17. building blocks of body or enzymes that speed up reactions in body
18. if two species share lots of physical similarities, they are probably related
21. occurs in mitochondria